The LENOVO 81Y5187 features the Intel Xeon E5-2660 processor, which is designed to deliver efficient performance and energy efficiency for server and workstation environments. This specific model includes 8 cores and 16 threads, operating at a base frequency of 2.2GHz, making it well-suited for demanding workloads and multitasking applications. With a 20MB cache, this processor can handle large datasets more efficiently, improving overall performance in data-intensive applications. The 95W Thermal Design Power (TDP) ensures that the processor delivers optimal performance while maintaining energy efficiency. It supports DDR3 memory at 1600MHz, allowing for high-speed data transfer and increased bandwidth for running applications seamlessly. This processor is built on Intel's microarchitecture, offering features like Intel Hyper-Threading Technology for better multitasking and Intel Virtualization Technology (VT-x), which enhances virtual machine performance. The LENOVO 81Y5187 processor kit is designed for easy integration into compatible Lenovo servers, providing a reliable and powerful solution for upgrading server capabilities.